This is the transport structure that carries food and oxygen to cells
Circulatory System
100
List the three parts of the circulatory system
What is blood vessel, blood, and heart
100
What happens to oxygen inside the air sacs?
air sacs push the air into the capillaries and take out the carbon dioxide from the blood
100
Name two kinds of cells in blood...
What is white blood cells and red blood cells
100
This is a blood vessel that carries blood back to the heart
What is vein
200
This is a liquid with cells and other solid parts float in it
What is BLOOD
200
What do transport systems do in the body?
they bring materials from one part of the body to another.
200
How does the diaphragm move during exhaling
it moves down and the ribs move together
200
true or false: blood in the artery is blue
false
200
This is a tiny blood vessel that connects an artery and a vein.
What is capillary
300
This is a strong hollow muscle about the size of a fist.
What is heart
300
What are the main pumping chambers of the heart?
What is atrium and ventricle
300
How does an artery differ from a vein
artery moves blood away from the heart and veins move blood back to the heart
300
true or false: carbon dioxide is in our body and makes our blood blue
true
300
The transport system that brings oxygen into the body is this:
What is the respiratory system
400
These are connecting tubes that carry blood
What is Blood Vessel
400
What happens to our pulse when we sit still and when we exercise?
pulse is slow when we sit and speeds up when we exercise.
400
Think of the videos: exercise helps make our respiratory system better how?
1) Our blood vessels get wider so more blood fits through the tubes
2) More capillaries grow to give our muscles and tissues more oxygen
400
Which blood has very little oxygen and which has lots of oxygen?
vein has little oxygen and artery has a lot of oxygen
400
This is a soft tube with rings of rubbery tissue around it.
What is trachea
500
This is a blood vessel that carries blood away from the heart
What is artery
500
true/false: Valves in our veins move in two directions.
false
500
How does air get from the nose to the lungs?
1) the diaphram moves down and the air goes into the throat
2) the air moves into the trachea and then into the bronchial tubes
3) the air then goes into the air sacs
4) the air then enters the blood in the capillaries
500
How do red blood cells differ from white blood cells
Red cells contain oxygen
White cells are used to fight germs
500
This is a thick sheet of muscle just below the lungs